diff --git a/.travis.yml b/.travis.yml
index 49a63e1..3fbda43 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,9 @@
 language: node_js
 node_js:
+  - "iojs-v2.1"
+  - "iojs-v2.0"
+  - "iojs-v1.8"
+  - "iojs-v1.7"
   - "iojs-v1.6"
   - "iojs-v1.5"
   - "iojs-v1.4"
@@ -19,6 +23,11 @@ before_install:
 matrix:
   fast_finish: true
   allow_failures:
+    - node_js: "iojs-v2.0"
+    - node_js: "iojs-v1.8"
+    - node_js: "iojs-v1.7"
+    - node_js: "iojs-v1.6"
+    - node_js: "iojs-v1.5"
     - node_js: "iojs-v1.4"
     - node_js: "iojs-v1.3"
     - node_js: "iojs-v1.2"